Applications of Barlog Plastics KEBABLEND M 45/72 PA12 for Plastic Bonded Magnets in Industrial Manufacturing

As a specialized manufacturer, we supply KEBABLEND M 45/72 PA12 for the direct industrial fabrication of plastic bonded magnets across advanced downstream sectors. Our material is engineered to meet strict customer and regulatory demands where magnetic performance and process efficiency are paramount.

1. Automotive Sensor Components

Automotive suppliers use this material primarily within the production of overmolded sensors, such as ABS wheel speed sensors and camshaft position sensors. Its stable dimensional properties and high compatibility with magnetic powders allow reliable embedding of ferrite or rare earth magnets. Automotive Tier 1s often require close process tolerances to support safety-critical sensor applications, where regulatory validation and OEM-specific tests surpass generic automotive-grade requirements.

Industry compliance standards

• IATF 16949:2016 quality management for automotive suppliers
• ISO 9001:2015 certification for process traceability
• OEM-specific TSM, GMN, or VW Norms for material and electrical inspection
• RoHS Directive 2011/65/EU for hazardous substances

Typical usage ratio

• Magnetic powder content 60–97% by weight; balance PA12 carrier adjusted for required magnetic flux output and moldability

Downstream process integration

• Loaded into injection molding equipment after compounding with magnetic powders; processed at 200–240°C melt temperature
• Overmolding onto leadframe inserts or sensor housings in multi-cavity tools

Final product types

• ABS wheel speed sensors
• Camshaft and crankshaft position sensors
• Transmission speed sensors
• Electronic throttle control magnet assemblies

2. Electric Motor Rotor Parts

Electrical machine manufacturers incorporate our PA12-based compound into high-volume stator and rotor injection for brushless DC motors and synchronous machines. Its low water absorption maintains geometric stability during insulating measurements and mechanical balancing. The grade’s direct compatibility with ferrite or NdFeB powder ensures magnetic orientation is retained during molding, critical for precise motor performance in demanding rotation cycles.

Industry compliance standards

• IEC 60034-1 for rotating electrical machinery
• UL 1446 insulation system approval
• ISO 14001 for environmental management in e-mobility production
• Directive 2014/30/EU for electromagnetic compatibility (EMC)

Typical usage ratio

• Magnetic powder loading 70–96% by weight; optimized for the torque and flux density required by the end-use motor design

Downstream process integration

• Continuous automatic feeding into injection molding lines
• Magnetic orientation process during mold fill, using external field, followed by rapid cooling for orientation lock-in

Final product types

• Micro motor rotors for pumps and seat actuators
• Stator sections for auxiliary drive motors
• Encapsulated rotor rings for power window systems

3. Consumer Electronics Magnetic Assemblies

Producers of small-format, precision-sensitive assemblies in devices such as headphones, mobile haptic modules, and smart wearable sensors select this material for its low warpage and capacity to accept high levels of neodymium or ferrite additives. The compound processes cleanly in high-cavity, miniature mold setups and meets global electronics industry chemical compliance without the need for added stabilizers.

Industry compliance standards

• IEC 62321 for restricted substances in electronics
• EN 50581 for technical documentation of RoHS compliance
• UL 94 V-0 for flammability in device interiors
• Appendix VII of Regulation (EC) No 1907/2006 (REACH) for SVHC evaluation

Typical usage ratio

• Loadings from 55% up to 95% by weight with powder, incrementally tuned for device thickness and response sensitivity

Downstream process integration

• Fed into micro-injection molding work cells
• Used in insert-molding of magnetic components onto flexible PCB or directly into plastic device frames, followed by in-line QA on dimensions and magnetization

Final product types

• Microphone magnets
• Haptic module magnetic bases
• Wearable tracker sensor rings
• Miniature speaker magnetic yokes

4. Industrial Automation Sensing Devices

Automation technology integrators employ this PA12 compound for manufacturing encoder wheels, torque sensors, and linear position detector magnets. Its resistance to industrial coolant and lubricant exposure prevents hydrolysis and flaking, ensuring device longevity. The compound’s compatibility with isotropic and anisotropic magnetic powders supports custom signal curve response, and is especially chosen for installations where maintenance intervals are extended.

Industry compliance standards

• EN ISO 13849-1 for functional safety of sensor assemblies in machinery
• DIN VDE 0580 for electromagnetic devices used in automation
• RoHS and REACH conformity for machine integration
• UL 746C for polymeric materials in electrical equipment

Typical usage ratio

• Powder loading set between 65% and 94% by weight, defined by resolution and space constraints of the end-use sensor component

Downstream process integration

• Incorporated in single-stage or multi-shot injection molding for encoder or sensor element production
• Post-mold magnetization on dedicated jigs delivering defined signal output profiles

Final product types

• Rotary encoder magnets
• Linear position markers
• Torque sensor magnet wheels
• Industrial proximity switch magnets

5. Fluid Flow Sensor Magnetics

Water meter and HVAC sensor manufacturers utilize this PA12 grade for making impeller and paddlewheel magnets, benefitting from its excellent hydrolysis resistance and long-term mechanical performance in wet environments. Ability to consistently disperse ferrite or rare earth powders results in uniform signal response for digital and analog sensor readouts, ensuring compliance with water metrology accuracy requirements over prolonged field operation.

Industry compliance standards

• EN 14154-3: Metering systems for cold potable water and hot water
• EU Drinking Water Directive (Directive (EU) 2020/2184) for contact materials
• WRAS Material Approval (UK) for water safety
• ISO 4064 for accuracy of water meters

Typical usage ratio

• Magnetic content between 60%–92% by weight; varies according to meter size and frequency of signal detection required

Downstream process integration

• Direct injection of the compounded material in multicavity tooling for impeller or paddlewheel forms
• Subsequent integration into meter cartridge or sensor body assembly

Final product types

• Paddlewheel flow sensor magnets
• Water meter impeller magnets
• HVAC flow switch magnet assemblies
• Sanitary instrumentation sensor rings

6. Appliance Motor Magnetics

Household appliance OEMs and their component suppliers adopt the compound for fabricating drive and auxiliary motor permanent magnets in dishwashers, washing machines, and refrigeration compressors. Its chemical structure resists washing machine detergents and elevated temperatures encountered in appliance service cycles. Intake of anisotropic ferrite enhances flux orientation, allowing energy-efficient operation for fractional horsepower motors in domestic appliances.

Industry compliance standards

• IEC 60335-1: Safety for household and similar electrical appliances
• EN 60730-1: Automatic electrical controls for household use
• UL 723 for material performance in electrical housings
• RoHS compliance for electrical devices

Typical usage ratio

• Magnetic loading typically 70–96% by weight, based on appliance type and energy efficiency class

Downstream process integration

• Used in injection molding for internal motor magnetic cores or rings, with powder premixed in compound
• Downline subassembly and magnetization per motor application schedule

Final product types

• Dishwasher circulation pump magnets
• Washing machine drive rotor magnets
• Refrigerator compressor magnets
• Range hood fan magnets